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agent-api-testnet.tim1712.workers.dev npm install-preflight
https://agent-api-testnet.tim1712.workers.dev/v1/npm/install-preflight
answers 402
Use before a coding agent installs an unfamiliar npm dependency. Returns current facts from the official npm registry: the version `npm install` resolves (dist-tags.latest), prerelease and deprecation status, engines.node compatibility with an optional target Node version (real SemVer evaluation), license, days since release, best-effort weekly downloads, repository URL and maintainer count. Facts
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base-sepolia
- Pay to
- 0x5229384BD502D85aa7EcA0A31B515E5E48d3910F
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 389 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:12:35.893Z (2h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent-api-testnet.tim1712.workers.dev%2Fv1%2Fnpm%2Finstall-preflight"